<!DOCTYPE html>
<html><head><title>CSS Flexbox: nested orthogonal children on relayout.</title>
<link href="https://www.w3.org/TR/css-flexbox-1/#flex-direction-property" rel="help">
<link href="reference/nested-orthogonal-flexbox-relayout-ref.htm" rel="match">
<meta content="This test ensures nested orthogonal flex items get properly relaid out when flexbox changes dimensions." name="assert">
<style>
#column {
  display: flex;
  flex-direction: column;
  border: 5px solid yellow;
}

#row {
  display: flex;
  flex-direction: row;
  border: 5px solid blue;
}

.item {
  border: 5px solid green;
}
</style>
</head><body>
<div id="column">
  <div id="row">
    <div class="item">This text should not overflow its box</div>
  </div>
</div>
<script>
var columnBox = document.getElementById("column");
columnBox.offsetHeight;
columnBox.style.width = "200px";
</script>
</body></html>